The simplest signed-cookie PIN gate for any local AI tool. HMAC-SHA256 cookie auth + reverse proxy + WebSocket passthrough + optional LiteLLM proxy + CSS theme injection. 544 LOC FastAPI. MIT.
grafana reverse-proxy hmac auth-proxy fastapi cloudflare-tunnel local-ai litellm cookie-auth open-webui pin-gate
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Updated
May 17, 2026 - Python